3888493

Information

• Patent Grant
• 3888493

• References
• Source

• Patent Number

  3,888,493

• Date Filed

  Not available

• Date Issued

  Tuesday, June 10, 1975
  49 years ago

• CPC

  • G11B17/0281 - by an adapter enabling the centre-pin to receive carriers with large centre hole
  • G11B19/2009 - Turntables, hubs and motors for disk drives; Mounting of motors in the drive

• US Classifications

  • 369 - Dynamic information storage or retrieval
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER